94 lines
2.6 KiB
C#
94 lines
2.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Web;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Data;
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namespace FineUI.Examples.dropdownlist
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{
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public partial class dropdownlist_compositelist : PageBase
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{
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protected void Page_Load(object sender, EventArgs e)
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{
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if (!IsPostBack)
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{
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BindEnumrableToDropDownList();
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}
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}
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#region CustomClass
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public class CustomClass
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{
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private string _id;
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public string ID
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{
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get { return _id; }
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set { _id = value; }
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}
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private string _name;
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public string Name
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{
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get { return _name; }
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set { _name = value; }
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}
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public CustomClass(string id, string name)
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{
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_id = id;
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_name = name;
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}
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}
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#endregion
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#region BindEnumrableToDropDownList
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private void BindEnumrableToDropDownList()
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{
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List<CustomClass> myList = new List<CustomClass>();
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myList.Add(new CustomClass("1", "可选项1"));
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myList.Add(new CustomClass("2", "可选项2"));
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myList.Add(new CustomClass("3", "可选项3"));
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myList.Add(new CustomClass("4", "可选项4"));
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myList.Add(new CustomClass("5", "可选项5"));
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myList.Add(new CustomClass("6", "可选项6"));
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myList.Add(new CustomClass("7", "可选择项7"));
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myList.Add(new CustomClass("8", "可选择项8"));
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myList.Add(new CustomClass("9", "可选择项9"));
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DropDownList1.DataTextField = "Name";
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DropDownList1.DataValueField = "ID";
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DropDownList1.DataSource = myList;
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DropDownList1.DataBind();
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}
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#endregion
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#region Events
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protected void btnSelectItem6_Click(object sender, EventArgs e)
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{
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DropDownList1.SelectedValue = "6";
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}
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protected void btnGetSelection_Click(object sender, EventArgs e)
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{
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if (DropDownList1.SelectedItem != null)
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{
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labResult.Text = String.Format("选中项：{0}（值：{1}）", DropDownList1.SelectedItem.Text, DropDownList1.SelectedValue);
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}
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else
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{
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labResult.Text = "无选中项";
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}
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}
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#endregion
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}
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}
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